Extreme Heat and Excessive Rainfall This Week

A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. Excessive rainfall my bring life-threatening and locally catastrophic flash and urban flooding across portions of southwestern Texas through early Friday. Read More >

Wet Bulb Globe Temperature

This page has been retired and merged into a new Heat Safety / Information page that includes information on the three main Heat-related Tools used by the National Weather Service. They are HeatRisk, Heat Index, and WBGT.

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